S 866-020

 (10)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box stays off.

 (11)
 Turn and hold the APU fire handle fully counterclockwise.

 S 976-022

 (12)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.

 S 766-021
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 S 766-023
 (13) Make sure that the multimeter on the squib circuit test box shows more than 16 volts.
 NOTE: If the voltage is less than 16 volts, the circuit may not
____
 provide sufficient current to fire the squib.

 S 766-024
 (14)
 Release the APU fire handle and make sure the fire handle moves quickly toward center about 10 degrees.

 S 986-025

 (15)
 Make sure the multimeter on the squib circuit test box shows 0 +/- 2 volts and the BOTTLE DISCHARGE light on the squib circuit test box stays off.

 S 766-026

 (16)
 Turn and hold the APU fire handle fully clockwise.

 S 976-027

 (17)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.

 S 766-028

 (18)
 Make sure the multimeter on the squib circuit test box shows more than 16 volts.

 NOTE: If the voltage is less than 16 volts, the circuit may not
____
 provide sufficient current to fire the squib.

 S 766-029
 (19)
 Release the APU fire handle and make sure the fire handle moves quickly toward center about 10 degrees.

 S 976-030

 (20)
 Make sure the multimeter on the squib circuit test box shows 0 +/- 2 volts and the BOTTLE DISCHARGE light on the squib circuit test box stays off.

 (21)
 Put the fire handle to the normal (horizontal) position.

 S 866-031
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 S 866-199
 (22) Make sure this circuit breaker on the P11 panel is closed:
 (a)  11B33, APU REMOTE FIRE IND
 S 866-200
 (23)
 Make sure that the BAT switch on the P5 panel is in the ON position.

 S 866-201

 (24)
 Push and release the APU FIRE SHT DN switch on the APU SHUTDOWN Remote Control Panel, P62.

 S 866-202

 (25)
 Push and hold the APU BTL DISCH switch on the APU SHUTDOWN Remote Control panel, P62.

 S 866-203

 (26)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on and the multimeter on the squib circuit test box shows more than 16 volts.

 S 866-204

 (27)
 Release the APU BTL DISCH switch.

 S 866-205

 (28)
 Make sure the multimeter on the squib circuit test box shows 0 +/- 2 volts and the BOTTLE DISCHARGE light on the squib circuit test box stays off.

 G. Do the APU Fire Auto-Bottle Discharge Circuit Check
 S 866-292
 (1)  Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
 (a)  11B33, APU REMOTE FIRE IND
 S 866-250
 (2)  Close the following circuit breakers on the P11 panel:
 (a)  11B24, FIRE DETECTION APU 1
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 (b)  
11B25, FIRE DETECTION APU 2

 (c)  
11B31, ENG SPEED CARD L
　
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